| Inscription | Country | Years | #Issued |
| Pahang | Malaya: Pahang(sta) | 1889- | 120 |
| Pakistan | Pakistan | 1947- | 900 |
| Pakke Porto | Greenland (Parcel by ship) | 1905-37 | 10 |
| Palestine | Palestine | 1927-45 | 45 |
| Panama | Panama | 1958- | 1200 |
| Papua | Papua New Guinea | 1907-37 | 120 |
| Papua New Guinea | Papua New Guinea | 1952- | 600 |
| Paraguay | Paraguay | 1870- | 1500 |
| Pasta | Bogus | ||
| Patmo(ovtp) | Italy: Aegean Islands(isl) | 1912-32 | <125(all isl)- |
| PCCR | Bogus | ||
| PCFT | Bogus | ||
| PDR Yemen | Yemen (People's Rep) | 1978- | 150 |
| Penang | Malaya: Penang(sta) | 1948- | 100 |
| Penrhyn | Penrhyn Islands (isl) | 1902- | 400 |
| People's Dem. Rep. of Yemen | Yemen (People's Rep) | 1971-77 | 150 |
| People's Republic of China | China | 1972- | 2530- |
| People's Southern Yemen | Republic of Yemen | 1968-71 | 60 |
| Perak | Malaya: Perak(sta) | 1878- | 170 |
| Perlis | Malaya: Perlis(sta) | 1948- | 80 |
| Peru | Peru | 1873- | 1600 |
| Philippine Islands | Philippines(isl) | 1906-35 | 200 |
| Philippines | Philippines(isl) | 1946-62 | 400 |
| Piscopi(ovpt) | Italy: Aegean Islands(isl) | 1912-32 | <125(all isl)- |
| Pilipinas | Philippines(isl) | 1962- | 1000 |
| Pitcairn Islands | Pitcairn Islands(isl) | 1940- | 320 |
| Poczta Polska | Poland | 1918-54 | 800 |
| Pohjois Inkeri | North Ingermanland | 1920 | 14 |
| Polska | Poland | 1938- | 2200 |
| Polynesie Francaise | French Polynesia | 1956- | |
| Ponta Delgada | Portugal: Ponta Delgada(aut/isl) | 1892-1905 | 40 |
| Porteado India | Portuguese India (Postage Due) | 1904-14 | 30 |
| Porte de Conduccion | Peru (Mail Parcel) | 1897-1904 | 12 |
| Porte Franco | Peru | 1858-71 | 20 |
| Port Gdansk | Poland: Danzig(office) | 1938 | 4 |
| Porto Gazetei | Romania | 1858-59 | 6 |
| Porto Pflichtice | Germany: Wurttemberg(cty) | 1875-1921 | 30 |
| Port-Said | French Offices: Egypt | ||
| Portugal | Portugal | 1866- | 1700 |
| Poste Locale | Switzerland: Geneva(cty) | 1849-50 | 3 |
| Poste Locale | Switzerland | 1850 | 2 |
| Posta Romana | Romania | 1865-89 | 70 |
| Posta Romana | Romania | 1963- | 2000+ |
| Preussen | Germany: Prussia(sta) | 1861-67 | 15 |
| Prince Edward Island | Prince Edward Island(isl) | 1861-72 | 20 |
| Principat d'Andorra | Andorra (Spanish) | 1979- | 150 |
| Principat d'Andorra | Andorra (French) | 1978- | 200 |
| Principaute de Monaco | Monaco | 1885-1952 | 200 |
| Pro Tacna y Arica | Peru (Postal Tax) | 1925-28 | 13 |
| Provincie Modones | Italy: Modena(cty) | 1859 | 10 |
| Provinz Laibach | Slovenia | 1944-45 | 60 |
| Pto. Rico | Puerto Rico | 1877-98 | 35 |
| Puerto Rico | Puerto Rico | 1880-98 | 140 |
| Pulau Pinang | Malaya: Penang(sta) | 1965- | |
| The inscriptions starting with "Rep" and "Post" have a separate table. | |||
If there are any missing inscription, tell me : marcosampaio@grupo.bfe.pt
